Mathematics, 31.07.2019 18:20 lolomgwtfnvm4
An article a florida newspaper reported on the topics that teenagers most want to discuss with their parents. the findings, the results of a poll, showed that 46% would like more discussion about the family's financial situation, 37% would like to talk about school, and 30% would like to talk about religion. these and other percentages were based on a national sampling of 531 teenagers. estimate the proportion of all teenagers who want more family discussions about school. use a 99% confidence level.
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Mathematics, 21.06.2019 19:30
What is the result of adding the system of equations? 2x+y=4 3x-y=6
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Mathematics, 22.06.2019 00:00
Apassenger train and a freight train leave san jose at 3pm, traveling in the same direction. the passenger train is going three times as fast as the freight train. at 6pm they are 240 miles apart. how fast is each travelling? explain your answer and show your
Answers: 1
Mathematics, 22.06.2019 01:10
Evaluate 8x2 + 9x − 1 2x3 + 3x2 − 2x dx. solution since the degree of the numerator is less than the degree of the denominator, we don't need to divide. we factor the denominator as 2x3 + 3x2 − 2x = x(2x2 + 3x − 2) = x(2x − 1)(x + 2). since the denominator has three distinct linear factors, the partial fraction decomposition of the integrand has the form† 8x2 + 9x − 1 x(2x − 1)(x + 2) = correct: your answer is correct. to determine the values of a, b, and c, we multiply both sides of this equation by the product of the denominators, x(2x − 1)(x + 2), obtaining 8x2 + 9x − 1 = a correct: your answer is correct. (x + 2) + bx(x + 2) + cx(2x − 1).
Answers: 3
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